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It's getting to be that season again!"A fascinating infographic: Did you know‪ ‎Hummingbirds‬ are the smallest warm-blooded animal?Known for the humming sound created by their fast-beating wings, hummingbirds make up the family Trochilidae and are among the world’s smallest birds. These flower pollinators can be found throughout much of the Western Hemisphere and have long beaks and tongues perfectly evolved for drinking nectar. Learn about this amazing and diverse family of birds."PBS Source